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10,462,270, l l Patented Feb.19,1367.'

ILPETERS. PNOTOd-ITMOGRAPHER, WASHINGTON. D. c.

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` MAURICE C. HULL, NEW YORK, `N. Y.

l Letters Patent No. 62,270, dated February 19, 1867.

IMPROVEMENT IN COOKING RANGl-IS,`

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To ALL WHoM 1T MAY ooNonRN;

Be it known that I, MAURICE C. H L'LL, of the-city and State oi'rNewYork, have invented, made, and applied to use, a certain new and usefulImprovement in Cooking'vRanges; and I do hereby declare the follow` ingto be a full, clear, and exact descriptionv of the saidinpention,reference being had to the annexed drawings, making pgn-t of thisspecification, wherein--- -i Figure 1 is vertical longitudinal-section.i i l Figures 2 and 3 are vertical transverse sections vat the lines andg/ y, respectively.

Figure 4 is a sectional plan at the line e e; and

Figure 5 is a sectional ,plan at the line 'w 'un Similar marks ofreference denote the same parts.

The object ot' my invention is to obtain a range having an elevated oventhat will also heat a current of air circulating through the range, andaround the fre-pot and ash-pit, and thence passing through an air tubeto heat any chamber or rooin. In VLetters Patent granted to me November14, 1865, a cooking range is shown having a hot-air space around thefire-pot, but with this rangethere is not. an elevated oven. My saidinvention relates to a range or stove having an elevated oven, andconsists in descending smoke iiues in themain portion of the range forheating a space through which the atmosphere circulates and is heated,in combination with ascending ilues and an elevated oven. And I alsoarrange the fines so that the heat may act more `uniformly upon ,theelevated oven. By this construction I amable to employ the rangepartially or wholly for heatingthe room or rooms, for cooking, or forbaking.

In the drawing, a a are the side plates,b the back plate, c the frontplate of a range or cooking stove, that may be set in brick-work or not,as desired; d is the grate in the fire-pot e f is the ashipit; ,q thewater-back,

to which water is supplied as usual. by pipes, so as to heat the waterin an adjacent 'boiler'. The upper portion of the re-pot c is formed asa groove, 1aronnd below the water-back g, opening to holes through thefront `plate c ofthe range, and notches or openings are provided at theinner edges of this groove, so that the 'air passing in may enter theireat or near its surface, and promote a more perfect combustion of thegases evolved from the fuel. The top plate 7L of the range is formedwith the usual openings for receiving cooking utensils, and the plate L,that is at theV level of the top of the fire-prot, extends to thedescending plates c c, so that the products of conibustion pass down theilues'z 1', (between 7c and an) thence into the iiue I, below the .plateZ1, and up the iiue pipes m m, as indicated by the red arrows, to theflues n '11, communicating with the elevated oven;

` or, if a direct draught is required, it may be obtained by drawing thedampers n* nl inthe division between the top plate t and plate h1. Thesupply of atmosphere to be heated passes in through an openingat b1 4inthe back plate c, into .the space c2, thence passes forward and incontact with the casing of the ash-pit and beneath the plate cl, thencerises through the opening left between the edge of cl and the frontplate c, (see iig. 4,) into the space c3, and returns towards the backofthe range in contact with the tire-pot, and rises to the iiues o and oto the box containing the elevated even or ovens. p is the case of theelevated ovens g q, there being spaces i all around the `ovens q,between them and the ease p. The hot-air iiues 01 open into a space, r,between the ovens q g, and the air 4passes also at the back of them,(see igs. 3 and 5 g) the plates i" and r2 being provided, separate thehot-air and smoke spaces. s s are the pipes for heated air leading tothe room above. Theblue arrows indicate thc direction of the heated air.The smoke ilues 1t may be fitted with dampers, 8, and said iiue n opensinto the spaces sl below the ovens g, and the products of combustionpass oit through the fines 4; at the sides,nnd 5 nt the top of theovens, and thence by the pipe 6 to the chimney. I provide a slide ordamper, t, through which steam and fumes from the cooking are allowed topass to the pipe tl, and so escape to the chimney. I provide a flue, u,and damper, allowing the dust that may be in the air of the ash-pit,when the tire is raked, to pass to the tue Z, and not come out into theroom. The ii'ues m m might be placed centrally of the range and thehot-air iiues ol, and smoke tlues 11 n be transposed in their positionif desired, and eachi descending Huez' may be separated by verticalpartitions, or bc formed of several descending fines or pipes either atthe' sides or back of the range. I introduce a shallow vessel, 9, forwater, behind the dues n and Q,

and provide a vapor-tube, 1.0, opening into the air space 1*, and amovable cap, Il, to allow the vessel to be illed with facility. Thevapors mingle with the air and lnoisten it.

What I claim, and desire to secure by Letters Patent, is

1. The descending flue or fines z' z','in combination with thenir-heating spa-ces ci and c, and flues fm, passing to an elevated oven,substantially a-s specified. v v

2. I claim the arrangement of the lues z'z', Z, and m, for the productsof combustin, in combinationr with the air-heating spaces c2 and c3,:ind-cir fines 0 ol, as and for the purposes specified.

3. `I claim ythe arrangement of the nir fines r s, and smokeflnes s, 4,and 5, in combination with the elevated oven q, substantially asspecified.

4. I claim the escape-damper t, and pipe t, for the fumes from cooking,in combination with the elevatedl oven g, as set forth. l v

5. I claim the water vessel 9, fitted es specified in combination withthe air spaces n 'n and ol, and elevated oven range, as set forth. l Y

6. I claim a. recess or groove between the water-beck and fire-pot, withopenings to supply air to the re, as and for the purposes specified.

In' Witness whereof I llave hereunto set my sig-nature this seventeenthday of December, A. D. 1:866.

M. C. HULL.

Witnesses:

GEO. D. WALKER, CHAs. H. SMITH.

